feat(ai-character): 오디오 콘텐츠 관리 기능 구현

src/features/audio-contents/components/audio-content-form-helpers.ts

@@ -0,0 +1,126 @@
+import type { ReleaseScheduleValue } from "@/features/audio-contents/components/ReleaseScheduleField";
+import type { AudioContentDetail } from "@/features/audio-contents/model/types";
+import type { AudioContentCreateRequest, AudioContentUpdateRequest } from "@/features/audio-contents/schemas/audio-content-schema";
+import { validateAudioCoverFile } from "@/features/audio-contents/validation/audio-cover-policy";
+import { validateAudioFile } from "@/shared/validation/audio-file-policy";
+import { formatCanPriceInput, parseCanPriceInput } from "@/shared/validation/can-price";
+
+export function createInitialPrice(price: number | undefined): string {
+  return price === undefined ? "" : `${price.toLocaleString("ko-KR")}캔`;
+}
+
+export function parsePrice(value: string): number | null {
+  return parseCanPriceInput(value);
+}
+
+export function formatPrice(value: string): string {
+  return formatCanPriceInput(value);
+}
+
+const localDateTimePattern = /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}$/;
+
+function toUtcMilliseconds(value: string, offsetHours: number): number {
+  if (!localDateTimePattern.test(value)) {
+    return Number.NaN;
+  }
+
+  return Date.UTC(Number(value.slice(0, 4)), Number(value.slice(5, 7)) - 1, Number(value.slice(8, 10)), Number(value.slice(11, 13)) - offsetHours, Number(value.slice(14, 16)));
+}
+
+export function toUtcReleaseDate(value: string, timezone: "Asia/Seoul"): string {
+  const offsetHours = timezone === "Asia/Seoul" ? 9 : 0;
+
+  return new Date(toUtcMilliseconds(value, offsetHours)).toISOString().replace(".000Z", "Z");
+}
+
+export function isFutureLocalDateTime(value: string): boolean {
+  const selected = toUtcMilliseconds(value, 9);
+
+  return Number.isFinite(selected) && selected > Date.now();
+}
+
+export type AudioContentCreateSettings = Pick<AudioContentCreateRequest, "purchaseOption" | "limited" | "isAdult" | "isGeneratePreview" | "isOnlyRental" | "isPointAvailable" | "isCommentAvailable" | "isFullDetailVisible" | "previewStartTime" | "previewEndTime" | "languageCode">;
+
+export const defaultAudioContentCreateSettings = {
+  purchaseOption: "BOTH",
+  limited: null,
+  isAdult: false,
+  isGeneratePreview: false,
+  isOnlyRental: false,
+  isPointAvailable: false,
+  isCommentAvailable: false,
+  isFullDetailVisible: true,
+  previewStartTime: null,
+  previewEndTime: null,
+  languageCode: null,
+} satisfies AudioContentCreateSettings;
+
+export function audioErrorMessage(file: File | null, mode: "create" | "edit"): string | undefined {
+  if (mode === "edit") {
+    return undefined;
+  }
+  if (file === null) {
+    return "오디오 파일을 선택하세요.";
+  }
+  const result = validateAudioFile(file);
+  if (result.ok) {
+    return undefined;
+  }
+  if (result.reason === "size") {
+    return "오디오 파일은 1,024,000,000 bytes 이하만 업로드할 수 있습니다.";
+  }
+  if (result.reason === "mimeExtensionCombination") {
+    return "확장자와 MIME 조합이 올바른 MP3, AAC, M4A 파일만 업로드하세요.";
+  }
+
+  return "MP3, AAC, M4A 파일만 업로드하세요.";
+}
+
+export function coverErrorMessage(file: File | null, mode: "create" | "edit"): string | undefined {
+  if (file === null) {
+    return mode === "create" ? "커버 이미지를 선택하세요." : undefined;
+  }
+  const result = validateAudioCoverFile(file);
+  if (result.ok) {
+    return undefined;
+  }
+  if (result.reason === "size") {
+    return "커버 이미지는 10MB 이하만 업로드할 수 있습니다.";
+  }
+
+  return "JPEG 또는 PNG 파일만 업로드하세요.";
+}
+
+export function toCreateRequest(params: { readonly detail: string; readonly price: number; readonly releaseSchedule: ReleaseScheduleValue; readonly settings: AudioContentCreateSettings; readonly tags: string; readonly themeId: number; readonly title: string }): AudioContentCreateRequest {
+  return {
+    title: params.title,
+    detail: params.detail,
+    tags: params.tags,
+    price: params.price,
+    purchaseOption: params.settings.purchaseOption,
+    limited: params.settings.limited,
+    releaseDate: params.releaseSchedule.publishMode === "immediate" ? null : toUtcReleaseDate(params.releaseSchedule.releaseDateTime, "Asia/Seoul"),
+    themeId: params.themeId,
+    isAdult: params.settings.isAdult,
+    isGeneratePreview: params.settings.isGeneratePreview,
+    isOnlyRental: params.settings.isOnlyRental,
+    isPointAvailable: params.settings.isPointAvailable,
+    isCommentAvailable: params.settings.isCommentAvailable,
+    isFullDetailVisible: params.settings.isFullDetailVisible,
+    previewStartTime: params.settings.previewStartTime,
+    previewEndTime: params.settings.previewEndTime,
+    languageCode: params.settings.languageCode,
+  };
+}
+
+export function toUpdateRequest(params: { readonly detail: string; readonly price: number; readonly tags: string; readonly title: string; readonly audio: AudioContentDetail }): AudioContentUpdateRequest {
+  return {
+    title: params.title,
+    detail: params.detail,
+    tags: params.tags,
+    price: params.price,
+    isAdult: params.audio.isAdult,
+    isPointAvailable: params.audio.isAvailableUsePoint,
+    isCommentAvailable: params.audio.isCommentAvailable,
+  };
+}